<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName }}
              <span @click="removeQuery">X</span>
            </li>
            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}
              <span @click="removeParams">X</span>
            </li>
            <li class="with-x" v-if="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1] }}
              <span @click="removeAttr">X</span>
            </li>
            <!--  -->
            <li class="with-x" v-for="item, index in searchParams.props" :key="item">
              {{ item.split(":")[1] }}
              <span @click="removeProps(index)">X</span>
            </li>

          </ul>
        </div>

        <!--selector-->
        <SearchSelector @getProps="getProps" @getTmInfo="getTmInfo" :trademarkList="trademarkList"
          :attrsList="attrsList" />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li @click="selectOrder('1')" :class="searchParams.order.split(':')[0] === '1' ? 'active' : ''">
                  <a>综合 <i class="iconfont"
                      :class="{ 'icon-sort-up': searchParams.order.split(':')[1] === 'asc', 'icon-sort-down': searchParams.order.split(':')[1] === 'desc', }"
                      v-show="searchParams.order.split(':')[0] === '1'"></i></a>
                </li>

                <li @click="selectOrder('2')" :class="searchParams.order.split(':')[0] === '2' ? 'active' : ''">
                  <a>价格 <i class="iconfont"
                      :class="{ 'icon-sort-up': searchParams.order.split(':')[1] === 'asc', 'icon-sort-down': searchParams.order.split(':')[1] === 'desc', }"
                      v-show="searchParams.order.split(':')[0] === '2'"></i></a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="goods in goodsList" :key="goods.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="{
                      name: 'detail',
                      params: {
                        skuId: goods.id
                      }
                    }"><img v-lazy="goods.defaultImg" /></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a href="###">{{ goods.title }}</a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>

            </ul>
          </div>
          <Pagination :continuePages="continuePages" :totalPages="totalPages" :pageNo="searchParams.pageNo"
            @changePage="changePage" />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from './SearchSelector/SearchSelector'
import { reqSearchList } from "@/api"
export default {
  name: 'Search',
  data () {
    return {
      searchParams: {
        category1Id: null,
        category2Id: null,
        category3Id: null,
        categoryName: "",
        keyword: "",
        order: "1:desc",
        pageNo: 1,//当前页
        pageSize: 100,//每页的数量
        props: [],
        trademark: ""
      },
      attrsList: [],
      goodsList: [],
      trademarkList: [],
      totalPages: 0,//总页数
      continuePages: 3,//连续页的个数
    }
  },
  components: {
    SearchSelector
  },
  mounted () {
    //初始化搜索页面时获取地址栏携带的参数
    this.getSearchParams()
    //初始化搜索数据列表的函数
    this.getSearchList()

  },
  methods: {
    //获取搜索页面数据列表的方法
    async getSearchList () {
      try {
        const res = await reqSearchList(this.searchParams)
        // console.log(res);
        this.attrsList = res.attrsList
        this.goodsList = res.goodsList
        this.trademarkList = res.trademarkList
        this.totalPages = res.totalPages
      } catch (error) {
        alert(error.message)
      }
    },
    //获取搜索时携带的参数的方法
    getSearchParams () {
      const { category1Id, category2Id, category3Id, categoryName } = this.$route.query
      const { keyword } = this.$route.params
      //将获取到的各种参数赋值给初始数据(query参数和params参数合并)
      this.searchParams = {
        ...this.searchParams,
        category1Id,
        category2Id,
        category3Id,
        categoryName,
        keyword,
      }
    },
    //删除query参数的方法
    removeQuery () {
      //直接清空id和name
      this.searchParams = {
        ...this.searchParams,
        category1Id: null,
        category2Id: null,
        category3Id: null,
        categoryName: "",
      }
      //删除完之后需重新导航，页面不变，只是没有了query参数搜出来的数据了,保留可能存在的params参数
      const params = this.$route.params
      this.$router.push({
        name: "search",
        params
      })
    },
    //删除params参数的方法
    removeParams () {
      //先删除地址栏的params参数
      this.searchParams.keyword = ""
      //删除完之后需重新导航，页面不变，只是没有了params参数搜出来的数据了,保留可能存在的query参数
      const query = this.$route.query
      this.$router.push({
        name: "search",
        query
      })
      //利用事件总线通知Header组件清空keyword
      this.$bus.$emit("clearParams")
    },
    //点击品牌搜索的方法
    getTmInfo (tmInfo) {
      this.searchParams.trademark = tmInfo
    },
    //删除品牌的面包屑事件函数
    removeAttr () {
      this.searchParams.trademark = ""
    },
    //自定义事件，接收子组件传递过来的平台属性props数组，在data的初始数据props中进行push添加
    getProps (props) {
      //判断props数组中是否原本存在传递过来的参数，如果有就无需再次push
      if (this.searchParams.props.includes(props)) return
      this.searchParams.props.push(props)
    },
    //props的面包屑删除事件
    removeProps (index) {
      this.searchParams.props.splice(index, 1)
    },
    //点击排序的事件函数
    selectOrder (type) {
      const oldType = this.searchParams.order.split(":")[0]
      const oldOrder = this.searchParams.order.split(":")[1]
      if (type === oldType) {
        const newOrder = type + ":" + (oldOrder === "desc" ? "asc" : "desc")
        this.searchParams.order = newOrder
      } else {
        const newOrder = type + ":" + "desc"
        this.searchParams.order = newOrder
      }
    },
    //接收来自页码Pagination组件传递过来的当前页的值
    changePage (newPage) {
      this.searchParams.pageNo = newPage
    }
  },
  watch: {
    //监听动态路由的变化
    $route () {
      //当地址栏参数发生变化时，需重新获取参数
      this.getSearchParams()
    },
    //监听搜索参数的变化，改变时需重新渲染搜索数据列表
    searchParams: {
      deep: true,
      handler () {
        this.getSearchList()
      }
    }
  }

}
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>